hydrazine compounds

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CPC
G03C1/48561

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GPHYSICS G03Photography G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHOTOGRAPHIC PROCESSES G03C1/00Photosensitive materials

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G03C1/48561hydrazine compounds

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Patents Grantslast 30 patents

Information Patent Grant
Method for making direct-positive photographic images
- Patent number 5,480,770
- Issue date Jan 2, 1996
- Agfa-Gevaert, N.V.
- Jean-Marie Dewanckele
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for making direct-positive photographic images
- Patent number 5,449,595
- Issue date Sep 12, 1995
- Agfa-Gevaert, N.V.
- Jean-Marie Dewanckele
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Silver halide photographic light sensitive material
- Patent number 5,424,170
- Issue date Jun 13, 1995
- Konica Corporation
- Susumu Sudo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide photographic material
- Patent number 5,326,683
- Issue date Jul 5, 1994
- Fuji Photo Film Co., Ltd.
- Kazunobu Katoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide photographic materials containing novel nucleating agent
- Patent number 5,221,593
- Issue date Jun 22, 1993
- Konica Corporation
- Akira Onodera
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Silver halide photographic material
- Patent number 5,124,230
- Issue date Jun 23, 1992
- Fuji Photo Film Co., Ltd.
- Hisashi Okamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide photographic materials
- Patent number 5,100,761
- Issue date Mar 31, 1992
- Fuji Photo Film Co., Ltd.
- Morio Yagihara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Silver halide photographic material
- Patent number 5,028,510
- Issue date Jul 2, 1991
- Fuji Photo Film Co., Ltd.
- Hisashi Okamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Direct positive image forming method
- Patent number 4,994,364
- Issue date Feb 19, 1991
- Fuji Photo Film Co., Ltd.
- Noriyuki Inoue
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide photographic material
- Patent number 4,985,338
- Issue date Jan 15, 1991
- Fuji Photo Film Co., Ltd.
- Minoru Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide photographic material
- Patent number 4,960,672
- Issue date Oct 2, 1990
- Fuji Photo Film Co., Ltd.
- Hisashi Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Direct positive silver halide photosensitive material and method fo...
- Patent number 4,952,483
- Issue date Aug 28, 1990
- Fuji Photo Film Co., Ltd.
- Noriyuki Inoue
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide photographic material
- Patent number 4,950,578
- Issue date Aug 21, 1990
- Fuji Photo Film Co., Ltd.
- Morio Yagihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Direct positive photographic materials
- Patent number 4,945,033
- Issue date Jul 31, 1990
- Fuji Photo Film Co., Ltd.
- Naoyasu Deguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide photographic material
- Patent number 4,767,692
- Issue date Aug 30, 1988
- Fuji Photo Film Co., Ltd.
- Yoshio Inagaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Direct positive silver halide photographic materials
- Patent number 4,610,959
- Issue date Sep 9, 1986
- Fuji Photo Film Co., Ltd.
- Shigetoshi Ono
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Halftone imaging silver halide emulsions, photographic elements, an...
- Patent number 4,560,638
- Issue date Dec 24, 1985
- Eastman Kodak Company
- James C. Loblaw
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Direct positive silver halide photographic light-sensitive materials
- Patent number 4,550,070
- Issue date Oct 29, 1985
- Fuji Photo Film Co., Ltd.
- Tsutomu Miyasaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of processing a direct positive silver halide photographic l...
- Patent number 4,540,655
- Issue date Sep 10, 1985
- Fuji Photo Film Co., Ltd.
- Yoshihiro Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of treating direct positive silver halide sensitive material
- Patent number 4,482,627
- Issue date Nov 13, 1984
- Fuji Photo Film Co., Ltd.
- Yoshihiro Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of treating direct positive silver halide sensitive material
- Patent number 4,481,285
- Issue date Nov 6, 1984
- Fuji Photo Film Co., Ltd.
- Yoshihiro Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Application of activated arylhydrazides to silver halide photography
- Patent number 4,478,928
- Issue date Oct 23, 1984
- Eastman Kodak Company
- Thomas C. Hess
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Adsorbable arylhydrazides and applications thereof to silver halide...
- Patent number 4,459,347
- Issue date Jul 10, 1984
- Eastman Kodak Company
- Richard L. Parton
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Hydrazide compositions, methods employing them and photographic mat...
- Patent number 4,416,969
- Issue date Nov 22, 1983
- Eastman Kodak Company
- Paul M. Magee
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Direct positive silver halide photographic light-sensitive material
- Patent number 4,374,923
- Issue date Feb 22, 1983
- Fuji Photo Film Co., Ltd.
- Shigeo Hirano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image-transfer reversal emulsions and elements with incorporated qu...
- Patent number 4,341,858
- Issue date Jul 27, 1982
- Eastman Kodak Company
- Eleanor Chaffee
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Direct positive silver halide light-sensitive material
- Patent number 4,294,919
- Issue date Oct 13, 1981
- Fuji Photo Film Co., Ltd.
- Nobuyuki Tsujino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Absorbed hydrazide nucleating agents and photographic elements cont...
- Patent number 4,278,748
- Issue date Jul 14, 1981
- Eastman Kodak Company
- Jasbir Sidhu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Acylhydrazinophenylthiourea nucleating agents and photographic emul...
- Patent number 4,276,364
- Issue date Jun 30, 1981
- Eastman Kodak Company
- Ronald E. Leone
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Direct positive silver halide light-sensitive material and method o...
- Patent number 4,266,013
- Issue date May 5, 1981
- Fuji Photo Film Co., Ltd.
- Keiichi Adachi
- C07 - ORGANIC CHEMISTRY

hydrazine compounds

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for making direct-positive photographic images

Method for making direct-positive photographic images

Silver halide photographic light sensitive material

Silver halide photographic material

Silver halide photographic materials containing novel nucleating agent

Silver halide photographic material

Silver halide photographic materials

Silver halide photographic material

Direct positive image forming method

Silver halide photographic material

Silver halide photographic material

Direct positive silver halide photosensitive material and method fo...

Silver halide photographic material

Direct positive photographic materials

Silver halide photographic material

Direct positive silver halide photographic materials

Halftone imaging silver halide emulsions, photographic elements, an...

Direct positive silver halide photographic light-sensitive materials

Method of processing a direct positive silver halide photographic l...

Method of treating direct positive silver halide sensitive material

Method of treating direct positive silver halide sensitive material

Application of activated arylhydrazides to silver halide photography

Adsorbable arylhydrazides and applications thereof to silver halide...

Hydrazide compositions, methods employing them and photographic mat...

Direct positive silver halide photographic light-sensitive material

Image-transfer reversal emulsions and elements with incorporated qu...

Direct positive silver halide light-sensitive material

Absorbed hydrazide nucleating agents and photographic elements cont...

Acylhydrazinophenylthiourea nucleating agents and photographic emul...

Direct positive silver halide light-sensitive material and method o...

Patents Applicationslast 30 patents